20645088

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{2591}}^1$

素因数の和:2687

約数の個数: 48

約数和(自身を含む): 54867456

約数和(自身を除く): 34222368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2591, 2656, 3984, 5182, 7773, 7968, 10364, 15546, 20728, 31092, 41456, 62184, 82912, 124368, 215053, 248736, 430106, 645159, 860212, 1290318, 1720424, 2580636, 3440848, 5161272, 6881696, 10322544, 20645088]

約数ペア:

[(1, 20645088), (2, 10322544), (3, 6881696), (4, 5161272), (6, 3440848), (8, 2580636), (12, 1720424), (16, 1290318), (24, 860212), (32, 645159), (48, 430106), (83, 248736), (96, 215053), (166, 124368), (249, 82912), (332, 62184), (498, 41456), (664, 31092), (996, 20728), (1328, 15546), (1992, 10364), (2591, 7968), (2656, 7773), (3984, 5182)]